Home / 6,890.19-9,508.41-3,746.40

Finding the Fourth Proportional to 6,890.19, 9,508.41 and 3,746.40

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Solution

The fourth proportional to 6,890.19, 9,508.41 and 3,746.40 is: 5,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.19 : 9,508.41 = 3,746.40 : x
  2. Step 2: Convert to fraction form
    6,890.19/9,508.41 = 3,746.40/x
  3. Step 3: Cross multiply
    6,890.19x = 9,508.41 × 3,746.40
  4. Step 4: Simplify right side
    6,890.19x = 35,622,307.22
  5. Step 5: Solve for x
    x = 35,622,307.22/6,890.19
  6. Step 6: Final answer
    x = 5,170.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.